CN217153016U

CN217153016U - Butterfly valve with self-locking function

Info

Publication number: CN217153016U
Application number: CN202220532559.9U
Authority: CN
Inventors: 陈志民; 洪丽芳
Original assignee: Tianjin Xintangda Valve Co ltd
Current assignee: Tianjin Xintangda Valve Co ltd
Priority date: 2022-03-11
Filing date: 2022-03-11
Publication date: 2022-08-09
Anticipated expiration: 2032-03-11

Abstract

The utility model provides a butterfly valve with self-locking function, belonging to the technical field of valves, which comprises a valve body; the second upper connecting pipe is fixedly connected to the circumferential surface of the valve body, and the upper end of the second upper connecting pipe is fixedly connected with a connecting flange; a connecting rod is rotationally connected in the valve body; and stop gear, stop gear includes the ratchet, the lug, the recess, the screw bolt, ratchet and torsion spring, the ratchet is connected in the circumference surface of connecting rod, lug fixed connection is in the circumference surface of connecting rod, the side of ratchet is seted up to the recess, lug and recess phase-match, thereby make when the valve uses through the stop gear who is provided with can carry out intermittent type meshing and then make the valve block position rotate and make the valve block open between ratchet and the ratchet better rotation through the connecting rod, thereby make the valve can carry out limiting displacement with it better when using.

Description

Butterfly valve with self-locking function

Technical Field

The utility model belongs to the technical field of the valve, concretely relates to take self-locking function's butterfly valve.

Background

The butterfly valve is a regulating valve with simple structure, also called a flap valve, and can be used for the switch control of low-pressure pipeline media, namely a valve with a closing member being a disc and rotating around a valve shaft to open and close.

Thereby butterfly valve among the prior art can not be better carry out the auto-lock with it when using and make the result of use poor when using, influence the result of use, and the butterfly valve block among the prior art corrodes easily after using for a long time and makes the availability factor of butterfly valve low.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a take self-locking function's butterfly valve, thereby it makes the result of use poor when using to aim at solving the butterfly valve among the prior art can not be better carry out the auto-lock with it when using, influences the result of use, and the butterfly valve block among the prior art corrodes the problem that makes the availability factor of butterfly valve low easily after using for a long time.

In order to achieve the above object, the utility model provides a following technical scheme:

a butterfly valve with a self-locking function comprises:

a valve body;

the second upper connecting pipe is fixedly connected to the circumferential surface of the valve body, and the upper end of the second upper connecting pipe is fixedly connected with a connecting flange; a connecting rod is rotationally connected in the valve body; and

the limiting mechanism comprises a ratchet wheel, a convex block, a groove, a threaded bolt, a ratchet and a torsion spring, the ratchet wheel is connected to the circumferential surface of the connecting rod, the convex block is fixedly connected to the circumferential surface of the connecting rod, the groove is formed in the side end of the ratchet wheel, the convex block is matched with the groove, the threaded bolt is connected to the upper end of the connecting flange in a threaded mode, the ratchet is rotatably connected to the circumferential surface of the threaded bolt, and the torsion spring is connected to the connecting flange and the close end, close to the threaded bolt, of the threaded bolt in a sleeved mode.

As an optimal scheme of the utility model, the upper end of connecting rod is connected with the connecting plate, the circumference inner wall and the lug phase-match of connecting plate, the circular handle of side fixedly connected with of connecting plate.

As a preferred scheme, the circumference fixed surface of connecting rod is connected with the valve block, the circumference inner wall fixedly connected with annular ring of valve body, annular ring and connecting rod phase-match.

As a preferred scheme, the spacing circular block of lower extreme fixedly connected with of connecting rod, the circumference fixed surface of valve body is connected with first bottom connecting pipe, spacing circular block and first bottom connecting pipe phase-match.

As an optimized scheme of the utility model, flange's upper end is connected with the closing plate, closing plate and flange pass through bolt threaded connection.

As an optimal scheme, the equal fixedly connected with connection pad of two sides of valve body, two a plurality of mounting grooves have all been seted up to the side of connection pad.

As an optimal scheme of the utility model, the valve body is connected with the equal fixedly connected with strengthening rib in the circumference surface of second upper portion connecting pipe and first bottom connecting pipe.

Compared with the prior art, the beneficial effects of the utility model are that:

1. in this scheme, thereby make when the valve uses through the stop gear who is provided with so that can carry out intermittent type meshing and then make the valve block position rotate and make the valve block open between ratchet and the ratchet better through the rotation of connecting rod, thereby make the valve can carry out limiting displacement with it better when using.

2. In this scheme, match through connecting plate and lug to make and to ensure its stability better when the connecting plate rotates, circular handle plays the effect of realizing being convenient for the staff better and carrying out the rotation of equipment, and the shape of circular handle adopts the circular of agreeing with the hand to fix, thereby makes the staff can operate better, thereby further promotes the operation travelling comfort of valve.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a first perspective view of the present invention;

fig. 2 is a perspective view of a second viewing angle of the present invention;

FIG. 3 is an exploded view of the present invention;

fig. 4 is a partially enlarged view of a portion a in fig. 3 according to the present invention.

In the figure: 1. a valve body; 2. connecting the disc; 3. a first bottom connection tube; 4. a second upper connecting pipe; 5. a connecting flange; 6. an annular ring; 7. a connecting rod; 8. a limiting round block; 9. a sealing plate; 10. a valve plate; 11. a ratchet wheel; 12. a bump; 13. a groove; 14. a threaded bolt; 15. a torsion spring; 16. a ratchet; 17. a connecting plate; 18. a round handle.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1

Referring to fig. 1-4, the present invention provides the following technical solutions:

a butterfly valve with a self-locking function comprises:

a valve body 1;

the second upper connecting pipe 4 is fixedly connected to the circumferential surface of the valve body 1, and the upper end of the second upper connecting pipe 4 is fixedly connected with a connecting flange 5; a connecting rod 7 is rotationally connected in the valve body 1; and

the limiting mechanism comprises a ratchet wheel 11, a convex block 12, a groove 13, a threaded bolt 14, a ratchet 16 and a torsion spring 15, the ratchet wheel 11 is connected to the circumferential surface of the connecting rod 7, the convex block 12 is fixedly connected to the circumferential surface of the connecting rod 7, the groove 13 is formed in the side end of the ratchet wheel 11, the convex block 12 is matched with the groove 13, the threaded bolt 14 is in threaded connection with the upper end of the connecting flange 5, the ratchet 16 is rotatably connected to the circumferential surface of the threaded bolt 14, and the torsion spring 15 is sleeved on the adjacent end of the connecting flange 5 and the threaded bolt 14.

In the embodiment of the present invention, the valve body 1 is made of stainless steel, the service life of the valve can be better ensured when the valve is used, the second upper connecting pipe 4 can fix the connecting flange 5, so that the connecting flange 5 can be more stable after being fixed, the connecting rod 7 can better ensure the valve plate 10 to rotate after being connected, so that the valve can better perform the opening and closing function, the limiting mechanism is arranged so that the valve can better perform the intermittent meshing between the ratchet wheel 11 and the ratchet 16 through the rotation of the connecting rod 7 when the valve is used, so that the valve plate 10 can be rotated to open the valve plate 10, so that the valve can better limit the valve when in use, wherein the ratchet wheel 11 can realize the meshing with the ratchet 16, the lug 12 is used for matching the groove 13, so that the stability of the ratchet wheel 11 can be better guaranteed when the ratchet wheel rotates, the threaded bolt 14 is used for fixing the ratchet 16, and the torsion spring 15 is used for fixing the ratchet 16 and then clamping the ratchet wheel 11 better, so that the ratchet wheel 11 can be clamped with the ratchet 16 better when the ratchet wheel 11 rotates.

Specifically, referring to fig. 3 and 4, the upper end of the connecting rod 7 is connected with a connecting plate 17, the inner circumferential wall of the connecting plate 17 is matched with the bump 12, and the side end of the connecting plate 17 is fixedly connected with a circular handle 18.

In this embodiment: connecting plate 17 plays the realization and fixes connecting rod 7 better, and connecting plate 17 and lug 12 match, thereby make and ensure its stability better when connecting plate 17 rotates, circular handle 18 plays the effect of realizing can be convenient for the staff better to carry out the rotation of equipment, and the circular of circular handle 18's shape adoption circular agreeing with the hand is fixed, thereby make the staff can operate better, thereby further promote the operation travelling comfort of valve.

Specifically referring to fig. 3, a valve plate 10 is fixedly connected to the circumferential surface of the connecting rod 7, an annular ring 6 is fixedly connected to the circumferential inner wall of the valve body 1, and the annular ring 6 is matched with the connecting rod 7.

In this embodiment: valve block 10 plays and realizes carrying out opening and closing action of valve better, and valve block 10 adopts stainless steel to make, thereby make and guarantee its life better when the valve is using, annular ring 6 plays and can seal the effect with valve block 10 better, thereby make and can guarantee its sealed effect better when valve block 10 rotates under the closed condition, thereby match through annular ring 6 and connecting rod 7 and make connecting rod 7 can guarantee its stability better when rotating.

Specifically referring to fig. 2 and 3, the lower end of the connecting rod 7 is fixedly connected with a limiting circular block 8, the circumferential surface of the valve body 1 is fixedly connected with a first bottom connecting pipe 3, and the limiting circular block 8 is matched with the first bottom connecting pipe 3.

In this embodiment: spacing circular block 8 plays the realization and matches with first bottom connecting pipe 3 to make and to ensure its stability better when connecting rod 7 rotates, make the stability of connecting rod 7 further promote, first bottom connecting pipe 3 adopts stainless steel to make, thereby makes and to strengthen its life better when the valve is using.

Specifically, referring to fig. 3, the upper end of the connecting flange 5 is connected to a sealing plate 9, and the sealing plate 9 and the connecting flange 5 are connected by bolts and threads.

In this embodiment: the closing plate 9 plays the realization and carries out the guard action with stop gear to make the life of valve further promote, and adopt the bolt to carry out threaded connection through closing plate 9 and flange 5, thereby make the stability of closing plate 9 further promote, thereby ensure that the valve can be more stable safety when using.

Specifically, referring to fig. 2, two side ends of the valve body 1 are both fixedly connected with the connecting discs 2, and a plurality of mounting grooves are formed in the side ends of the two connecting discs 2.

In this embodiment: the connecting disc 2 can be better connected with the outside, and the connecting disc 2 can be better fixed with the outside through a plurality of mounting grooves formed in the connecting disc.

Specifically referring to fig. 1 and 2, the valve body 1, the second upper connecting pipe 4 and the first bottom connecting pipe 3 are fixedly connected to the circumferential surfaces thereof with reinforcing ribs.

In this embodiment: thereby make the valve can be more stable when using through the valve body 1 with the strengthening rib that the circumference surface fixed connection of second upper portion connecting pipe 4 and first bottom connecting pipe 3 for the stability of valve further promotes, makes the security and the further promotion of stability of valve.

The utility model discloses a theory of operation and use flow: the coupling disc 2 is first screwed to the outside, and then the knob 18 is turned, when the round handle 18 rotates, the connecting plate 17 drives the connecting rod 7 to rotate, the limiting round block 8 fixedly connected with the lower end of the connecting rod 7 is matched with the first bottom connecting pipe 3, when the connecting rod 7 rotates, at this time, the ratchet wheel 11 and the ratchet 16 are engaged, and at this time, the rotation of the valve sheet 10 is stopped, so that the position of the valve sheet 10 is fixed, thereby ensure that the valve can be more stable when using, and realize its self-locking function, thereby make when the valve uses through the stop gear that is provided with so that can make better through the rotation of connecting rod 7 with ratchet 11 and ratchet 16 between carry out intermittent type meshing and then make valve block 10 position rotate and make valve block 10 open when the valve uses, thereby make the valve can carry out limiting displacement with it better when using.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a take self-locking function's butterfly valve which characterized in that includes:

a valve body (1);

the second upper connecting pipe (4), the second upper connecting pipe (4) is fixedly connected to the circumferential surface of the valve body (1), and the upper end of the second upper connecting pipe (4) is fixedly connected with a connecting flange (5); a connecting rod (7) is rotationally connected in the valve body (1); and

the limiting mechanism comprises a ratchet wheel (11), a convex block (12), a groove (13), a threaded bolt (14), a ratchet (16) and a torsion spring (15), wherein the ratchet wheel (11) is connected to the circumferential surface of the connecting rod (7), the convex block (12) is fixedly connected to the circumferential surface of the connecting rod (7), the groove (13) is formed in the side end of the ratchet wheel (11), the convex block (12) is matched with the groove (13), the threaded bolt (14) is in threaded connection with the upper end of the connecting flange (5), the ratchet (16) is rotatably connected to the circumferential surface of the threaded bolt (14), and the torsion spring (15) is sleeved on the adjacent ends of the connecting flange (5) and the threaded bolt (14).

2. The butterfly valve with the self-locking function according to claim 1, wherein: the upper end of connecting rod (7) is connected with connecting plate (17), the circumference inner wall and lug (12) phase-match of connecting plate (17), the side fixedly connected with round handle (18) of connecting plate (17).

3. The butterfly valve with the self-locking function according to claim 2, wherein: the valve block (10) is fixedly connected to the circumferential surface of the connecting rod (7), the annular ring (6) is fixedly connected to the inner wall of the valve body (1), and the annular ring (6) is matched with the connecting rod (7).

4. The butterfly valve with the self-locking function according to claim 3, wherein: the lower extreme fixedly connected with of connecting rod (7) spacing circular block (8), the circumference fixed surface of valve body (1) is connected with first bottom connecting pipe (3), spacing circular block (8) and first bottom connecting pipe (3) phase-match.

5. The butterfly valve with the self-locking function according to claim 4, characterized in that: the upper end of the connecting flange (5) is connected with a sealing plate (9), and the sealing plate (9) is in threaded connection with the connecting flange (5) through bolts.

6. The butterfly valve with the self-locking function according to claim 5, wherein: two equal fixedly connected with connection pad (2) in side of valve body (1), two a plurality of mounting grooves have all been seted up to the side of connection pad (2).

7. The butterfly valve with the self-locking function according to claim 6, wherein: the valve body (1) is fixedly connected with reinforcing ribs on the circumferential surfaces of the second upper connecting pipe (4) and the first bottom connecting pipe (3).